Description
The Siemens Building Technology 332-4811 is a #3 pneumatic actuator engineered for precise, reliable valve and damper positioning in commercial HVAC and building automation systems. Featuring an integrated positioner, this actuator delivers accurate, repeatable control across its full operating range — making it an ideal choice for demanding air handling, hydronic, and process control applications.
Key Features
- Pneumatic actuator with integrated positioner (W/POS) for accurate proportional control
- Spring range: 8–13 PSI for reliable fail-safe positioning
- Stroke length: 2-3/8″ for compatibility with a wide range of control valves
- #3 actuator classification for standard commercial HVAC applications
- Designed and manufactured by Siemens Building Technology — a trusted leader in building automation and controls
Application
The 332-4811 is suited for use in commercial building HVAC systems where pneumatic control signals are used to modulate valves or dampers. The built-in positioner ensures the actuator stem responds accurately to the control signal, reducing hysteresis and improving system efficiency. Typical applications include air handling units, VAV systems, hydronic heating and cooling coil valves, and other pneumatic control loops.
Product Specifications
- SKU: 332-4811
- Brand: Siemens Building Technology
- Actuator Type: Pneumatic (#3)
- Positioner: Included
- Spring Range: 8–13 PSI
- Stroke: 2-3/8″
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